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40SiNiCr250

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20VNiWMoCr120 1.0605
#40SiNiCr250

Description

Romania STAS/SR 40SiNiCr250 Stainless steel and 40SiNiCr250 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 40SiNiCr250
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 40SiNiCr250 STAS/SR Romania Stainless steel
10AlCr80
10AlCr240
10TiAlCrNi320
12NiCr250
12SiCrNi360
12TiNiCrl80
15SiNiCr200
15SiNiCr250
20VNiMoCr120
20VNiWMoCr120

Chemical composition(mass fraction)(wt.%) of the 40SiNiCr250

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Cu(%)
0. 30-0. 50 1.00-2.50 0. 50-1.50 0. 045 0.030 24.0-26.0 19.0-21.0 0. 20 0. 40-0.60 0. 30

Mechanical Properties of steel grade 40SiNiCr250

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
826 (≥) 423 (≥) 13 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 40SiNiCr250

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
44 - -     0.12 -  
267 364 - 14.3 441   -  
636 - 11 33.2   144 311

Heat Treatment of steel grade 40SiNiCr250

Heat treated : 1868°C - 1521°C

Technological Curves of steel grade 40SiNiCr250

Cross Reference Table (Equivalent Grade) of 40SiNiCr250

Grade Standard Country Application
40SiNiCr250 STAS/SR Romania Stainless steel
20VNiWMoCr120 1.0605
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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